Abstract Overexploitation and pollution of groundwater resources is considered one of the major pollution problems these days. Even pollution of air, surface water, or land may have a significant effect on pollution and contamination of groundwater. Industries, human activities, agriculture, etc. generate waste in various forms like solid, liquid, and gas. If all this waste is not treated properly, it shall result in polluting the environment and further affecting the quality of groundwater due to its hydraulic connectivity with the hydrological cycle. The leachate resulting from municipal or industrial solid waste dumpsite as well as agricultural run-off also leads to groundwater pollution. It has been estimated that around 45 million people globally are affected by water pollution resulting from excess iron, fluoride, arsenic, or seawater intrusion. The current study deals with the physicochemical analysis of groundwater samples and suitability determination of water for irrigation and Piper diagram for solid waste dump site near Pune. Total nine, water samples were collected from open wells as well as bore wells for pre-monsoon and post-monsoon season, and results were evaluated using residual sodium carbonate, sodium hazard, sodium adsorption ratio, and piper diagram. It can be inferred that the Ca–Cl type of water predominates the study area for both pre-monsoon as well as post-monsoon season. It can be inferred that the groundwater in the study area is safe for irrigation use since all the sampling locations fall in the good to excellent category.
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